staging: hv: Fix error checking in channel.c
Fixed errors in return value checking code, which caused vmbus channel not functioning. Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Hank Janssen <hjanssen@microsoft.com> Cc: Bill Pemberton <wfp5p@virginia.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -204,13 +204,13 @@ int VmbusChannelOpen(struct vmbus_channel *NewChannel, u32 SendRingBufferSize,
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RecvRingBufferSize) >> PAGE_SHIFT;
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ret = RingBufferInit(&NewChannel->Outbound, out, SendRingBufferSize);
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if (!ret) {
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if (ret != 0) {
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err = ret;
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goto errorout;
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}
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ret = RingBufferInit(&NewChannel->Inbound, in, RecvRingBufferSize);
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if (!ret) {
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if (ret != 0) {
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err = ret;
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goto errorout;
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}
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@ -228,7 +228,7 @@ int VmbusChannelOpen(struct vmbus_channel *NewChannel, u32 SendRingBufferSize,
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RecvRingBufferSize,
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&NewChannel->RingBufferGpadlHandle);
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if (!ret) {
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if (ret != 0) {
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err = ret;
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goto errorout;
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}
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@ -569,7 +569,7 @@ int VmbusChannelEstablishGpadl(struct vmbus_channel *Channel, void *Kbuffer,
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ret = VmbusPostMessage(gpadlBody,
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subMsgInfo->MessageSize -
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sizeof(*subMsgInfo));
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if (!ret)
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if (ret != 0)
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goto Cleanup;
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}
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